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avatar+1537 

Sam writes down the numbers $1,$ $2,$ $\dots,$ $315,$ $316,$ $\dots$, $999$.

How many digits did Sam write, in total?

 Dec 19, 2023
 #1
avatar+129852 
+1

\(1, 2,\dots,315, 316, \dots, 999\)

 

1 - 9  =     9 digits

10 - 99 =  90 numbers (2 digits each)  = 180 digits

100 - 999 = 900 numbers(3 digits each) = 2700 digits

 

2889 digits in total

 

cool cool cool

 Dec 19, 2023

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